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Finding the Fourth Proportional to 228,158.10, 314,808.93 and 132,615.90

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Solution

The fourth proportional to 228,158.10, 314,808.93 and 132,615.90 is: 182,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.10 : 314,808.93 = 132,615.90 : x
  2. Step 2: Convert to fraction form
    228,158.10/314,808.93 = 132,615.90/x
  3. Step 3: Cross multiply
    228,158.10x = 314,808.93 × 132,615.90
  4. Step 4: Simplify right side
    228,158.10x = 41,748,669,579.99
  5. Step 5: Solve for x
    x = 41,748,669,579.99/228,158.10
  6. Step 6: Final answer
    x = 182,981.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.